Los Angeles County, CA
ZIP 91040
In ZIP 91040, 7 of the 12 things we check have at least one part graded D or F.
- Drinking water: Los Angeles-City, Dept. Of Water & Power has 3 contaminants at or over an EPA legal limit; 30 contaminants are above health goals, led by pfos at 6.1× California’s Public Health Goal.
- Nearest Superfund site: San Fernando Valley (area 1), 6.8 miles away (3 within 10 miles).
- Largest share of modeled toxic air from industry: Sterigenics US LLC La 50Th (26%), mostly ethylene oxide.
- Fine particles (PM2.5) average 10.6 µg/m³; the WHO guideline is 5 and the EPA annual standard is 9.
- About 250,208 kg of agricultural pesticides are applied in the county each year.
Grades for ZIP 91040
- Superfund sites nearbyF
- Factories and industrial sitesC to D
- Oil and gas wellsC to F
- Parks and nature nearbyB to F
- Air qualityC to F
- Drinking water qualityF
- Pesticide useB to C
- Neighborhood health statusB to C
- Past wildfire impactsF
- Past flood impactsA
- Noise levelsA to C
Based on 11 census tracts · compiled September 10, 2026 · how each grade works and its sources
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